bevy_procedural_audio 0.5.0

A Bevy plugin that integrates FunDSP into Bevy.
Documentation 
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//! Module for [`DspManager`].

use bevy::{
  platform::collections::HashMap,
  prelude::{
    default,
    Resource,
  },
};
  
use uuid::Uuid;

use crate::{
  dsp_graph::DspGraph,
  dsp_source::{
    DspSource,
    SourceType,
  },
  DEFAULT_SAMPLE_RATE,
};

/// Manages the registered DSP sources.
///
/// This is a public facing interface
/// for the user to access the stored DSP sources.
#[derive(Resource)]
pub struct DspManager {
    collection: HashMap<Uuid, DspSource>,
    sample_rate: f32,
}

impl Default for DspManager {
    fn default() -> Self {
        Self::new(*DEFAULT_SAMPLE_RATE)
    }
}

impl DspManager {
    pub(crate) fn new(sample_rate: f32) -> Self {
        Self {
            sample_rate,
            collection: default(),
        }
    }

    pub(crate) fn add_graph<D: DspGraph>(&mut self, dsp_graph: D, source_type: SourceType) {
        self.collection.insert(
            dsp_graph.id(),
            DspSource::new(dsp_graph, self.sample_rate, source_type),
        );
    }

    /// Get the DSP source given a DSP graph.
    #[allow(clippy::needless_pass_by_value)]
    pub fn get_graph<D: DspGraph>(&self, dsp_graph: D) -> Option<DspSource> {
        self.collection.get(&dsp_graph.id()).cloned()
    }

    /// Get the DSP source given a UUID of the DSP graph.
    ///
    /// Useful if you cannot use the DSP graph directly.
    #[must_use]
    pub fn get_graph_by_id(&self, uuid: &Uuid) -> Option<DspSource> {
        self.collection.get(uuid).cloned()
    }
}